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FR256 Datasheet(PDF) 2 Page - Leshan Radio Company |
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FR256 Datasheet(HTML) 2 Page - Leshan Radio Company |
2 / 2 page LESHAN RADIO COMPANY, LTD. 19A–2/2 FR251 – FR257P 2.5A RATING & CHARACTERISTIC CURVES OF 2.5A FAST DIODES FIG. 2 – TYPICAL FORWARD CURRENT DERATING CURVE AMBIENT TEMPER ATURE, (ºC) +0.5A 0 -0.25A -1.0A 1cm Trr NOTES:1.Rise Time=7ns max. Input Impedance=1megohm.22pF. 2.Rise Time=10ns max. Source Impedance=50 ohms. (+) PULSE GENERAT O R (NOTE 2) (-) D.U.T. OSCILLOSCOPE (NOTE 1) 1 Ω NON. INDUCTIVE (+) 25Vdc (APPROX) (-) 50 Ω 10 Ω NONINDUCTIVE NONINDUCTIVE FIG.1–TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC SET TIME BASE FOR 50/100ns/cm INSTANTANEOUS FORWARD VOLTAGE, (%) FIG. 3 – TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS FIG. 5 – TYPICAL JUNCTION CAPACITANCE FIG. 4 – MAXINUM NON-REPETITIVE FOWARD SURGE CURRENT REVERSE VOLTAGE,(V) NUMBER OF CYCLES AT 60Hz .4 .6 .8 1.0 1.2 1.4 1.6 1.8 20 10 3.0 1.0 0.3 0.1 .03 .01 TJ =25ºC Pulse Width=300 µs 1% Duty Cycle 8.3ms Single Half Sine-Wave (JEDEC Method) 105 90 75 60 45 30 15 0 1 2 5 10 20 50 100 .1 .2 .4 1.0 2 4 10 20 40 100 200 100 60 40 20 10 6 4 2 1 TJ =25ºC 0 25 50 75 100 125 150 175 2.5 2.0 .1.5 1.0 .5 0 Single Phase Half Wave 60Hz Resistive or Inductive Load |
Similar Part No. - FR256 |
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Similar Description - FR256 |
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